Table 3-13: 4-Pole Reversing Contactor Combination With Front Interlock (Frame Size S0) - Siemens sirius System Manual

Assembly of the con-
tactors in frame size S0
with front interlocking
SIRIUS System Manual
GWA 4NEB 430 0999-02b
Drawing: frame size S0
1
1
3
4
3
4
5
3RA1922-2C
7

Table 3-13: 4-pole reversing contactor combination with front interlock (frame size S0)

Step
1/2
2
3/4
5/6
6
5
7/8/9 Mount the mechanical inter-
8
9
3RT1/3RH1 contactors
Procedure
Remove the fourth pole of the
left contactor by pressing the
ribbed surfaces at the top and
bottom at the same time (1)
and then removing the pole
(2).
Attach the pole to the left side
of the same contactor.
Put the contactors together by
inserting two mechanical cou-
plers (3RA1922-2C) in the
appropriate openings of the
contactor (5), and then press
the other contactor onto these
mechanical couplers (6).
lock at the front (3RA1924-1A)
over the two contactors.
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